Eliyin, Ilma Fitri and Mahyudin Ariga 2022. The Effect of The Number of Coffee Purchases On The Income of Drying Workers In CV. Oro Coffee Gayo In Central Aceh District. International Journal of Science, Technology & Management. 3, 1 (Jan. 2022), 31-40. DOI:https://doi.org/10.46729/ijstm.v3i1.447.